10291433856 has 64 divisors (see below), whose sum is σ = 29821780800. Its totient is φ = 3118615040.

The previous prime is 10291433833. The next prime is 10291433869. The reversal of 10291433856 is 65833419201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×10291433856² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213986 + ... + 1222433.

It is an arithmetic number, because the mean of its divisors is an integer number (465965325).

Almost surely, 2^10291433856 is an apocalyptic number.

10291433856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10291433856 is an abundant number, since it is smaller than the sum of its proper divisors (19530346944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10291433856 is a wasteful number, since it uses less digits than its factorization.

10291433856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436447 (or 2436435 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 10291433856 in words is "ten billion, two hundred ninety-one million, four hundred thirty-three thousand, eight hundred fifty-six".